World's oldest heart, aged 380 million years found in Australia; read details here

Diseases affecting the heart account for nearly one-third deaths around the world. Each year, World Heart Day is celebrated on September 29 to spread awareness on the importance of heart health. Beating cardiovascular disease (CVD) is something that matters to every beating heart. For a healthy diet, a healthy diet is very important. Bad diet can seriously impact the risk of heart disease.

Green leafy vegetables such as collard greens, kale and spinach are full of wealthy nutritions, antioxidants, vitamins and minerals good for your body. These vegetables are a great source of vitamin K, which promotes proper blood clotting and protects your arteries.

You cannot go wrong with the superfood, Salmon, which is rich in omega-3s -- healthy fats that may lessen the risk of heart rhythm disorders and lower blood pressure. Salmon also curbs inflammation and lowers triglycerides.

Edamame beans are naturally gluten-free and also low in calories. Edamame are young soybeans harvested before they ripen or harden. They also contain small amounts of Vitamin E, vitamin B6, thiamin, riboflavin and niacin. As per a few studies, soy protein has properties that can lower the low-density lipoprotein in a person's blood.

It's no secret that dark chocolate is rich in antioxidants such as flavonoids which helps boost heart health. Dark chocolate is also credited with lowering the risk of heart disease. However, it is recommended that dark chocolate be consumed in moderation.

Walnuts are packed with fibre and micronutrients like copper, magnesium and manganese which can help lower your cholesterol and provide protection against inflammation in your heart's arteries.

Fish oil is also a great source for getting your daily dose of omega-3 fatty acids. As per studies, fish oil supplements reduce blood triglycerides and decrease blood pressure. They also improve arterial function.

Superfood avocado has been linked to reducing levels of cholesterol and believed to lower risk of heart disease as it comes packed with heart-healthy monounsaturated fats. The food is also rich in nutrients and potassium that are essential to heart health.

Several studies have shown that adding beans to your diet can reduce risk factors for the heart as they contain resistant starch, which has the potential to exert a healthy impact on the gut and certain members of its resident microbiota. Especially black beans which are packed with antioxidants, magnesium and folate which help lower blood pressure.